Private US firms take major role vs. cyberattacks

Mandiant founder and CEO Kevin Mandia is seen in his office in Alexandria, Va., Wednesday, Feb. 20, 2013. Mandiant, started in 2004 by Mandia, a private technology security firm described in extraordinary detail efforts it blamed on a Chinese military unit to hack into 141 businesses, mostly inside the U.S., and steal commercial secrets. China denies the claim. (AP Photo/Jacquelyn Martin)